<template>
  <div ref="chart"  :style="chartStyle">
  </div>
</template>

<script>
import echarts from 'echarts';

export default {
  name: 'customcar',
  props: {
    config: {
      required: true,
    },
    chartStyle: {
      require: false,
      type: Object,
      default: () => ({
        height: '100%',
        position: 'absolute',
        width: '100%',
        top: '0px',
        bottom: '0px',
        left: '0px',
      }),
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  created() {

  },
  mounted() {
    this.renderChart();
  },
  methods: {
    handleResize() {
      if (this.chart) {
        this.chart.resize();
      }
    },
    renderChart() {
      if (!this.chart) {
        this.chart = echarts.init(this.$refs.chart, this.config.theme);
      }
      const option = this.makeOptions(this.config, this.chartData);
      this.chart.clear();
      this.chart.setOption(option);
      setTimeout(() => {
        this.chart.resize();
      }, 100);
    },
    makeOptions() {
      return {
        xAxis: {
          type: 'category',
          data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
        },
        yAxis: {
          type: 'value',
        },
        series: [{
          data: [120, 200, 150, 80, 70, 110, 130],
          type: 'line',
          symbol: 'triangle',
          symbolSize: 20,
          lineStyle: {
            color: 'green',
            width: 4,
            type: 'dashed',
          },
          itemStyle: {
            borderWidth: 3,
            borderColor: 'yellow',
            color: 'blue',
          },
        }],
      };
    },
  },
  watch: {
    config: {
      deep: true,
      handler() {
        if (this.config.needResize) {
          this.config.needResize = false;
          this.handleResize();
        }
      },
    },
  },
};
</script>

<style scoped lang="stylus">

</style>
